Home / 8,739.29-13,109.93-2,895.90

Finding the Fourth Proportional to 8,739.29, 13,109.93 and 2,895.90

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Solution

The fourth proportional to 8,739.29, 13,109.93 and 2,895.90 is: 4,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.29 : 13,109.93 = 2,895.90 : x
  2. Step 2: Convert to fraction form
    8,739.29/13,109.93 = 2,895.90/x
  3. Step 3: Cross multiply
    8,739.29x = 13,109.93 × 2,895.90
  4. Step 4: Simplify right side
    8,739.29x = 37,965,031.81
  5. Step 5: Solve for x
    x = 37,965,031.81/8,739.29
  6. Step 6: Final answer
    x = 4,344.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.